XML 35 R56.htm IDEA: XBRL DOCUMENT v2.4.0.6
Equity Non-controlling interest (Details) (Farmer Mac II LLC [Member], USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended 3 Months Ended
Jan. 25, 2010
Preferred Stock [Member]
Jan. 25, 2010
Private Placement [Member]
Jan. 25, 2010
Private Placement [Member]
Preferred Stock [Member]
Sep. 30, 2012
Private Placement [Member]
Preferred Stock [Member]
Mar. 31, 2013
Issuance To But Excluding March 30, 2015 [Member]
Preferred Stock [Member]
Mar. 31, 2013
March 30, 2015 To But Excluding March 30, 2020 [Member]
Preferred Stock [Member]
Mar. 31, 2013
March 30, 2020 and Thereafter [Member]
Preferred Stock [Member]
Class of Stock [Line Items]              
Sale of Stock, Consideration Received on Transaction   $ 250.0          
Sale of Stock, Number of Shares Issued in Transaction     250,000        
Preferred Stock, Liquidation Preference Per Share       $ 1,000      
Preferred Stock, Dividend Rate, Percentage         8.875% 10.875%  
Preferred Stock, Dividend Variable Rate, Percentage             8.211%
Payments of Stock Issuance Costs $ 8.1